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» Challenges to Using the Regression Discontinuity Design in Educational Evaluations: Lessons From the Transition to Algebra Study

Challenges to Using the Regression Discontinuity Design in Educational Evaluations: Lessons From the Transition to Algebra Study

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Interest in the regression discontinuity (RD) design as an alternative to randomized control trials (RCTs) has grown in recent years. There is little practical guidance, however, on conditions that would lead to a successful RD evaluation or the utility of studies with underpowered RD designs. This article describes the use of RD design to evaluate the impact of EDC's supplemental algebra readiness curriculum, Transition to Algebra, on students’ mathematics outcomes.